精密导线法分为边角导线法和弦矢导线法,是监测水库拱坝水平位移的重要方法。
The method of precision lead is one of the efficient ways to survey the horizontal displacement in a reservoir's arch dam.
导线测量是一项精密而细致的工作,直接影响到路线的定线和高程系统的控制。
The orientation measurement is a precise and detailed job, and it affects directly the route alignment and the control of elevation system.
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